“Hillside is the BEST Heating and HVAC company we have ever had. We have had several other companies in the past but no one compares to Hillside! The service and degree of respect they give customers in Fantastic!!!!”

Hillside Oil Heating & Cooling is a full-service Heating Oil Delivery, Heating, and Air Conditioning, and Commercial Fuel company for both commercial and residential customers in New Castle, Delaware, Cecil County, Maryland, and Southern Chester County, PA. We are family owned and operated for over 65 years. Located in Newark, Delaware, we have been a staple in the community for just as long.

Hillside HVAC is big enough to serve you, yet small enough to know you. Real people still answer our phones Monday through Friday, 8:00 AM – 5:00 PM and we are proud to advertise that fact.

The Trusted Comfort Experts

Committed to Customer Care

Three generations of family attitudes and values have allowed Hillside Oil Heating & Cooling to successfully service our customers and communities. We know what it is like to be a customer and how we like to be treated. We take pride in thinking like a customer when dealing with our customers. We’ll do everything we can to make sure you have an exceptional customer experience. It’s our promise to you.

5 WAYS TO ENJOY A WORRY-FREE WINTER IN DE, PA & MD

Choose one of our Worry-Free Winter packages. We will make sure your heater is working properly and your tank will never run out of heating oil.

Winters in DE, PA, and MD can be extremely cold. Bitter winters can put a lot of stress on people. How much heating oil do we have left? Is our heating system wasting our money? How can I afford a spike in my heating bills?

These concerns are commonplace in the northeast. That’s why Hillside Oil Heating & Cooling has created our Worry-Free Winter Packages. We’ll take care of your heating system, your fuel deliveries, and help spread out the cost of heating oil.

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Hillside Maintenance Plans

Keeping Your Paws Comfy All Year Round

The Hillside Maintenance Plans are designed to prevent minor problems from turning into major issues! Extend the life of your equipment, reduce the need for costly repairs, and increase the performance of your heating and cooling systems while lowering your utility bills.

On-Road & Off-Road Diesel Fueling

New Castle County’s ONLY Top-loading Rack System with Diesel Fuels for Resale at Market Prices

Hillside’s “tank farm” with 220,000 gallons of storage capacity allows us to offer fast and convenient access to on-road, off-road diesel fuels and heating oil slightly above market price to anyone with a top-loading tank truck. Construction, landscaping, and excavating companies with their own fueling trucks can save tens of thousands of dollars per year fueling at our location.

Hillside is Dedicated to Supporting Local Charities

Hillside Cares! As a third generation, family-owned, and operated business, Hillside has deep roots in our local area. And those roots extend far beyond the walls of our business and our customer list. One of our core values is our belief in the power of “giving back” to our community, and we have been proud to offer our in-kind and/or financial support to a growing number of civic and charitable organizations.

We are honored to have received hundreds of ratings, reviews, recommendations, and testimonials from our heating and cooling customers.

Connect with us on Facebook 🙂

We’d love to connect with you on Facebook! We are always posting useful information, helpful tips, and special offers. Most of all, we like to have fun and share our shenanigans on our Facebook page. Come over and join the Hillside online family!

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Hillside Oil Heating & Cooling has been family owned and operated for over 65 years. Three generations of family attitudes and values have allowed us to continue to successfully service our customers and communities. Everything about Hillside is locally owned and operated. We do not answer to any parent or mother corporation in some far-off land. Real human beings still work here and answer our phones. We have no touch-tone mazes to navigate in order to speak to a human being that can assist or answer questions. Customer service is the most important thing. We know what it is like to be a customer and how we like to be treated. We take pride in thinking like a customer when dealing with our customers. Support of Hillside is support for local, homegrown, family business in our area. Thank you from everyone at Hillside for your business. Hillside is a full-service home heating oil company as well as a full-service heating and air conditioning service company. We make daily deliveries of home heating oil, diesel fuels, and gasoline.

Please tell us which Worry-Free Winter Package you'd like to enroll in.

Worry-Free Winter

Worry-Free Winter Plus

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This contact form does not enroll you into any Worry-Free Winter package. Offers are subject to approval.
Our customer support team will contact you shortly after filling out this form. You can also call our office 302-738-4144 or 410-398-2146. Thank You.